Cost to Run a 20-watt electric shaver for 5 hours in Pennsylvania
Running a 20-watt electric shaver for 5 hours uses 0.1 kWh and costs $0.018 at $0.18/kWh in Pennsylvania. Do that every day and it adds up to $0.54 a month.
Calculate your own cost
- Per hour
- $0.0040.02 kWh
- Per day
- $0.0180.1 kWh
- Per week
- $0.1260.7 kWh
- Per month (30 days)
- $0.543 kWh
- Per year
- $6.5736.5 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 20-watt electric shaver cost per hour?
At $0.18/kWh, it costs $0.004 per hour. The maths: 20 W ÷ 1,000 = 0.02 kWh per hour, × $0.18 = $0.004.
How much does it cost per month?
Used 5 hours a day for 30 days, it costs about $0.54 per month and uses 3 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.1 kWh per day, 3 kWh per month and 36.5 kWh per year at 5 hours a day. A kWh is one kilowatt (1,000 W) used for one hour. It is the unit on your electricity bill.
How can I lower the cost?
Charge as needed and use the model’s rated input for a rough estimate. Check your bill for the exact rate and enter it above.
Does my electricity rate change the answer?
Yes, a lot. At 10¢ per kWh the monthly cost is $0.30 and at 30¢ it is $0.90. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Pennsylvania
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.02 kWh | $0.004 | $0.108 | $1.31 |
| 2 hours | 0.04 kWh | $0.007 | $0.216 | $2.63 |
| 3 hours | 0.06 kWh | $0.011 | $0.324 | $3.94 |
| 4 hours | 0.08 kWh | $0.014 | $0.432 | $5.26 |
| 5 hours | 0.1 kWh | $0.018 | $0.54 | $6.57 |
| 6 hours | 0.12 kWh | $0.022 | $0.648 | $7.88 |
| 7 hours | 0.14 kWh | $0.025 | $0.756 | $9.20 |
| 8 hours | 0.16 kWh | $0.029 | $0.864 | $10.51 |
| 9 hours | 0.18 kWh | $0.032 | $0.972 | $11.83 |
| 10 hours | 0.2 kWh | $0.036 | $1.08 | $13.14 |
| 11 hours | 0.22 kWh | $0.04 | $1.19 | $14.45 |
| 12 hours | 0.24 kWh | $0.043 | $1.30 | $15.77 |
| 13 hours | 0.26 kWh | $0.047 | $1.40 | $17.08 |
| 14 hours | 0.28 kWh | $0.05 | $1.51 | $18.40 |
| 15 hours | 0.3 kWh | $0.054 | $1.62 | $19.71 |
| 16 hours | 0.32 kWh | $0.058 | $1.73 | $21.02 |
| 17 hours | 0.34 kWh | $0.061 | $1.84 | $22.34 |
| 18 hours | 0.36 kWh | $0.065 | $1.94 | $23.65 |
| 19 hours | 0.38 kWh | $0.068 | $2.05 | $24.97 |
| 20 hours | 0.4 kWh | $0.072 | $2.16 | $26.28 |
| 21 hours | 0.42 kWh | $0.076 | $2.27 | $27.59 |
| 22 hours | 0.44 kWh | $0.079 | $2.38 | $28.91 |
| 23 hours | 0.46 kWh | $0.083 | $2.48 | $30.22 |
| 24 hours | 0.48 kWh | $0.086 | $2.59 | $31.54 |
How we worked it out
- Energy per hour: 20 W ÷ 1,000 = 0.02 kWh
- Cost per hour: 0.02 kWh × $0.18 = $0.004
- Cost per day: × 5 hours = $0.018
- Month and year: × 30 days = $0.54, × 365 days = $6.57
Pennsylvania electricity prices
Pennsylvania pays about $0.18 per kWh, which is 3% higher than the US average of $0.175. The same electric shaver would cost $0.525 a month at the national average.
What it costs in different places
Same 20-watt electric shaver, 5 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $0.525 |
| California | $0.32 | $0.96 |
| Texas | $0.155 | $0.465 |
| New York | $0.25 | $0.75 |
| Florida | $0.155 | $0.465 |
| Illinois | $0.17 | $0.51 |
| Pennsylvania | $0.18 | $0.54 |
| Ohio | $0.17 | $0.51 |
| Washington | $0.115 | $0.345 |
About electric shaver running costs
Electric shavers use modest power for short periods or while charging. Battery capacity can help estimate energy per full charge.
Typical sizes: 5 W, 10 W, 20 W, 30 W.
How to spend less: Charge as needed and use the model’s rated input for a rough estimate.
What this estimate assumes
- The appliance draws its full stated wattage the whole time it is on. Real units with a thermostat cycle off and cost less.
- Wattage is the typical label value, not a measured value. Check the label on your own appliance.
- The rate is an approximate residential average in Pennsylvania. Your bill may include fixed fees, tiers or time-of-use pricing. Edit the rate above.
- A month is 30 days and a year is 365 days.